我正在尝试安装hadoop。
我正在关注this文章以获取hadoop的安装说明。我需要做的步骤之一是使用以下命令格式化hadoop文件系统：
root @ ben-Aspire-E5-575G：〜＃hadoop namenode -format
我遇到以下错误
2018-10-12 00:08:16,884 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
2018-10-12 00:08:16,896 INFO namenode.NameNode: createNameNode [-format]
2018-10-12 00:08:17,024 ERROR conf.Configuration: error parsing conf hdfs-site.xml
com.ctc.wstx.exc.WstxEOFException: Unexpected EOF; was expecting a close tag for element <xml>
at [row,col,system-id]: [49,0,"file:/usr/local/hadoop/etc/hadoop/hdfs-site.xml"]
at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:687)
at com.ctc.wstx.sr.BasicStreamReader.throwUnexpectedEOF(BasicStreamReader.java:5608)
at com.ctc.wstx.sr.BasicStreamReader.nextFromTree(BasicStreamReader.java:2802)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1123)
at org.apache.hadoop.conf.Configuration$Parser.parseNext(Configuration.java:3257)
at org.apache.hadoop.conf.Configuration$Parser.parse(Configuration.java:3063)
at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2986)
at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2926)
at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2806)
at org.apache.hadoop.conf.Configuration.set(Configuration.java:1366)
at org.apache.hadoop.conf.Configuration.set(Configuration.java:1338)
at org.apache.hadoop.conf.Configuration.setBoolean(Configuration.java:1679)
at org.apache.hadoop.util.GenericOptionsParser.processGeneralOptions(GenericOptionsParser.java:339)
at org.apache.hadoop.util.GenericOptionsParser.parseGeneralOptions(GenericOptionsParser.java:572)
at org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:174)
at org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:156)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1587)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1710)
2018-10-12 00:08:17,031 ERROR namenode.NameNode: Failed to start namenode.
java.lang.RuntimeException: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF; was expecting a close tag for element <xml>
at [row,col,system-id]: [49,0,"file:/usr/local/hadoop/etc/hadoop/hdfs-site.xml"]
at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:3003)
at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2926)
at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2806)
at org.apache.hadoop.conf.Configuration.set(Configuration.java:1366)
at org.apache.hadoop.conf.Configuration.set(Configuration.java:1338)
at org.apache.hadoop.conf.Configuration.setBoolean(Configuration.java:1679)
at org.apache.hadoop.util.GenericOptionsParser.processGeneralOptions(GenericOptionsParser.java:339)
at org.apache.hadoop.util.GenericOptionsParser.parseGeneralOptions(GenericOptionsParser.java:572)
at org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:174)
at org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:156)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1587)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1710)
Caused by: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF; was expecting a close tag for element <xml>
at [row,col,system-id]: [49,0,"file:/usr/local/hadoop/etc/hadoop/hdfs-site.xml"]
at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:687)
at com.ctc.wstx.sr.BasicStreamReader.throwUnexpectedEOF(BasicStreamReader.java:5608)
at com.ctc.wstx.sr.BasicStreamReader.nextFromTree(BasicStreamReader.java:2802)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1123)
at org.apache.hadoop.conf.Configuration$Parser.parseNext(Configuration.java:3257)
at org.apache.hadoop.conf.Configuration$Parser.parse(Configuration.java:3063)
at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2986)
... 11 more
2018-10-12 00:08:17,035 INFO util.ExitUtil: Exiting with status 1: java.lang.RuntimeException: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF; was expecting a close tag for element <xml>
at [row,col,system-id]: [49,0,"file:/usr/local/hadoop/etc/hadoop/hdfs-site.xml"]
2018-10-12 00:08:17,043 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at ben-Aspire-E5-575G/127.0.1.1
************************************************************/
hdfs-site.xml文件在此处
<xml version="1.0" encoding="UTF-8">
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. See accompanying LICENSE file.
-->
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
<description>Default block replication.The actual number of replications can be specified when the file is created. The default is used if replication is not specified in create t$
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/usr/local/hadoop_store/hdfs/namenode</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/usr/local/hadoop_store/hdfs/datanode</value>
</property>
</configuration>
答案 0 :(得分：0)
我认为您必须修复“描述”标签。没有适当的目的。
答案 1 :(得分：0)
在您提供的文件中，</description>和最后一个</xml>都位于最终配置标记之外。
如错误所示，缺少标签。
说明是可选的，因此可以完全删除该标记
答案 2 :(得分：0)
我们中的许多人由于一种或另一种原因在自己的计算机上安装HADOOP期间每天都在挣扎/失败。
我们花了很多时间在任何Windows或Linux机器上成功探索HADOOP的安装。
请参考以下网址，由我们的专家在您的计算机上进行安装，前50次安装可享受50％的折扣
HADOOP安装服务（HIS）（https://hadoopinstall.wordpress.com/）